CN212004681U - Novel PP-H steel core flange - Google Patents

Abstract

The utility model relates to the technical field of pipe fitting or equipment connection, in particular to a novel PP-H steel core flange which can improve the connection stability when a chemical pipeline is thermally welded on a flange body, reduce the fracture caused by the movement of the pipeline or the action of load caused by external impact and prolong the service life of the whole pipeline; including the flange body, be provided with the multiunit mounting hole on the flange body, still include the multiunit connecting rod, go up the staple bolt, down the staple bolt, two sets of mounting panels down, two sets of fixing bolt, two sets of fixation nut, multiunit spacing spring, two sets of arc limiting plate and two sets of blotter, two sets of mounting panels and two sets of mounting panels down install last staple bolt and staple bolt both ends down respectively on, all be provided with the through-hole on mounting panel and two sets of mounting panels down on two sets of, the spacing spring one end of multiunit is installed respectively on last staple bolt and staple bolt inner wall down, the spacing spring other end of multiunit respectively with.

Description

Novel PP-H steel core flange

Technical Field

The utility model relates to a technical field that pipe fitting or equipment are connected especially relates to a novel PP-H steel core flange.

Background

Flanges (Flange), also known as Flange flanges or lugs, are well known. The flange is a part for connecting the shafts and is used for connecting pipe ends; the flange is also used for connecting the two devices at an inlet and an outlet of the device, the existing flange is generally made of carbon steel, low alloy steel, stainless steel and the like, the steel core flange is made of PP-H, the steel core flange has better impact resistance, the PP-H has better impact resistance, better chemical medium corrosion resistance, hydrostatic strength and temperature resistance, the working temperature range is from 0-100 ℃, the flange is widely applied to pharmaceutical chemical industry and hot water delivery, and when the flange is connected, a chemical anti-corrosion pipeline is in hot welding connection with the flange body, but when the flange is used, due to the action of external impact, the flange is easy to break due to the action of movement or load of the pipeline, and the service life of the whole pipeline is short.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a when chemical pipeline hot melt connects on the flange body, can improve its connection stability, reduce the external impact and cause the pipeline remove or the effect of load and the fracture that causes, prolong the whole pipeline's life's novel PP-H steel core flange.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel PP-H steel core flange comprises a flange body, wherein a plurality of groups of mounting holes are formed in the flange body, the flange body further comprises a plurality of groups of connecting rods, an upper hoop, a lower hoop, two groups of upper mounting plates, two groups of lower mounting plates, two groups of fixing bolts, two groups of fixing nuts, a plurality of groups of limiting springs, two groups of arc limiting plates and two groups of cushion pads, two ends of the plurality of groups of connecting rods are respectively connected with the upper hoop and the lower hoop, the two groups of upper mounting plates and the two groups of lower mounting plates are respectively mounted at two ends of the upper hoop and the lower hoop, through holes are respectively formed in the two groups of upper mounting plates and the two groups of lower mounting plates, the two groups of fixing bolts penetrate through the through holes, the two groups of fixing nuts are respectively screwed on the two groups of fixing bolts, one ends of the plurality of groups of limiting springs are respectively mounted, the two groups of cushion pads are respectively arranged on the two groups of arc limiting plates.

Preferably, still include two sets of gag lever posts and two sets of spacing pipes, two sets of gag lever posts one end is installed respectively on two sets of arc limiting plates, two sets of spacing pipes are installed respectively on last staple bolt and lower staple bolt, two sets of gag lever posts other end inserts respectively to two sets of spacing pipes in.

Preferably, the device further comprises two groups of connecting chains and two groups of connecting rings, the two groups of connecting rings are respectively arranged on the two groups of fixing nuts, and two ends of the two groups of connecting chains are respectively connected with the lower hoop and the two groups of connecting rings.

Preferably, the connection mode of multiunit connecting rod and flange body is for dismantling and be connected, be provided with the multiunit fixed slot on the flange body, be provided with the multiunit screwed pipe in the multiunit fixed slot respectively, be provided with multiunit ball bearing between multiunit screwed pipe and the multiunit fixed slot inner wall respectively, all be provided with the external screw thread corresponding with the screwed pipe on the multiunit connecting rod outer wall to the multiunit connecting rod is the spiral shell dress respectively and inserts to the multiunit screwed pipe in.

Preferably, still include two sets of spacing chains, two sets of solid fixed rings and two sets of holding rings, two sets of connecting chain both ends are connected with two sets of holding rings and last staple bolt respectively, two sets of solid fixed rings are installed respectively at two sets of fixing bolt tops, two sets of holding rings are connected with two sets of solid fixed rings respectively.

Preferably, the anti-skid device further comprises a plurality of groups of anti-skid pads, and the plurality of groups of anti-skid pads are respectively arranged on the inner walls of the plurality of groups of mounting holes.

Preferably, the flange body is internally provided with a steel core.

Preferably, the flange body is made of PP-H material.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel PP-H steel core flange possesses following beneficial effect: when chemical pipeline hot melt connects on the flange body, can compress the spacing spring of multiunit at first, make the distance between two sets of arc limiting plates increase, and pass the chemical pipeline between two sets of arc limiting plates, and connect its hot melt on the flange body, and relax the spacing spring of multiunit, make two sets of arc limiting plate pressure equalizing chemical pipeline under the spring action of the spacing spring of multiunit, and can avoid causing wearing and tearing through the blotter, and two sets of mounting panels and two sets of lower mounting panel closure are fixed on two sets of during the interact through two sets of fixing bolt and two sets of fixation nut, staple bolt plays certain limiting action to the position of chemical pipeline body with lower staple bolt through last staple bolt, thereby can improve its connection stability, reduce the removal of the pipeline that external impact caused or the fracture that the effect of load and cause, prolong the life of whole pipeline.

Drawings

Fig. 1 is a schematic structural view of a flange body of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

FIG. 5 is a schematic left side view of the attachment of the fixing nut, the attachment chain and the attachment ring;

fig. 6 is a left side view of the structure of the present invention;

in the drawings, the reference numbers: 1. a flange body; 2. mounting holes; 3. a connecting rod; 4. an anchor ear is arranged; 5. a lower hoop; 6. an upper mounting plate; 7. a lower mounting plate; 8. fixing the bolt; 9. fixing a nut; 10. a limiting spring; 11. an arc limiting plate; 12. a cushion pad; 13. a limiting rod; 14. a limiting pipe; 15. a connecting chain; 16. a connecting ring; 17. a threaded pipe; 18. a ball bearing; 19. a spacing chain; 20. a fixing ring; 21. a positioning ring; 22. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the novel PP-H steel core flange of the present invention is used, when a chemical pipeline is thermally welded to a flange body 1, a plurality of sets of threaded pipes 17 are rotated according to the use requirement, the plurality of sets of threaded pipes 17 are relatively rotated with the flange body 1 through a plurality of sets of ball bearings 18, so that a plurality of sets of connecting rods 3 are respectively screwed into the plurality of sets of threaded pipes 17, thereby facilitating the fixing of the limiting portion with the flange body 1, when the pipeline is installed, the plurality of sets of limiting springs 10 are firstly compressed, the distance between the two sets of arc limiting plates 11 is increased, the chemical pipeline passes through between the two sets of arc limiting plates 11, and is thermally welded to the flange body 1, and the plurality of sets of limiting springs 10 are released, the two sets of arc limiting plates 11 are uniformly pressurized to the chemical pipeline under the elastic force of the plurality of sets of limiting springs 10, and the cushion 12 can avoid abrasion, when the two groups of fixing bolts 8 and the two groups of fixing nuts 9 interact, the two groups of upper mounting plates 6 and the two groups of lower mounting plates 7 are closed and fixed, the upper hoop 4 and the lower hoop 5 play a certain limiting role on the position of a chemical pipeline body, so that the connection stability of the chemical pipeline body can be improved, the breakage caused by the movement of the pipeline or the action of load due to external impact can be reduced, the service life of the whole pipeline can be prolonged, when the positions of the two groups of arc-shaped limiting plates 11 are adjusted by compressing and loosening the positions of the multiple groups of limiting springs 10, the moving directions of the two groups of arc-shaped limiting plates 11 can be conveniently limited by the up-and-down movement of the two groups of limiting rods 13 in the two groups of limiting pipes 14, the situations of displacement distortion and the like can be reduced, the fixing nuts 9 and the fixing bolts 8 can be prevented from being lost to a certain extent by the connecting chains 15 and, the phenomenon is lost in the reduction, and the pipeline hot melt is connected and is accomplished the back, can be with 1 butt joints of two sets of flange bodies to through bolt etc. with its fixed connection, make the chemical pipeline pass through flange body 1 and connect, and can strengthen the frictional force between bolt etc. and 2 inner walls of mounting hole through the multiunit antiskid seat.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A novel PP-H steel core flange is characterized by comprising a flange body (1), wherein a plurality of groups of mounting holes (2) are formed in the flange body (1), a plurality of groups of connecting rods (3), an upper hoop (4), a lower hoop (5), two groups of upper mounting plates (6), two groups of lower mounting plates (7), two groups of fixing bolts (8), two groups of fixing nuts (9), a plurality of groups of limiting springs (10), two groups of arc limiting plates (11) and two groups of cushion pads (12) are further included, two ends of the plurality of groups of connecting rods (3) are respectively connected with the upper hoop (4) and the lower hoop (5), the two groups of upper mounting plates (6) and the two groups of lower mounting plates (7) are respectively mounted at two ends of the upper hoop (4) and the lower hoop (5), through holes are formed in the two groups of upper mounting plates (6) and the two groups of lower mounting plates (7), and the two groups of fixing bolts (8, two sets of fixation nut (9) spiral shell dress respectively to two sets of fixing bolt (8) on, install respectively on last staple bolt (4) and lower staple bolt (5) inner wall multiunit spacing spring (10) one end to multiunit spacing spring (10) other end is connected with two sets of arc limiting plate (11) respectively, install respectively on two sets of arc limiting plate (11) two sets of blotter (12).

2. The novel PP-H steel core flange as claimed in claim 1, further comprising two sets of limiting rods (13) and two sets of limiting pipes (14), wherein one ends of the two sets of limiting rods (13) are respectively mounted on the two sets of arc-shaped limiting plates (11), the two sets of limiting pipes (14) are respectively mounted on the upper hoop (4) and the lower hoop (5), and the other ends of the two sets of limiting rods (13) are respectively inserted into the two sets of limiting pipes (14).

3. The novel PP-H steel core flange as claimed in claim 2, further comprising two sets of connecting chains (15) and two sets of connecting rings (16), wherein the two sets of connecting rings (16) are respectively mounted on the two sets of fixing nuts (9), and both ends of the two sets of connecting chains (15) are respectively connected with the lower anchor ear (5) and the two sets of connecting rings (16).

4. The novel PP-H steel core flange as claimed in claim 3, wherein the plurality of sets of connecting rods (3) are detachably connected with the flange body (1), a plurality of sets of fixing grooves are formed in the flange body (1), a plurality of sets of threaded pipes (17) are respectively arranged in the plurality of sets of fixing grooves, a plurality of sets of ball bearings (18) are respectively arranged between the plurality of sets of threaded pipes (17) and inner walls of the plurality of sets of fixing grooves, external threads corresponding to the threaded pipes (17) are respectively arranged on outer walls of the plurality of sets of connecting rods (3), and the plurality of sets of connecting rods (3) are respectively inserted into the plurality of sets of threaded pipes (17) in a screwing manner.

5. The novel PP-H steel core flange as claimed in claim 4, further comprising two sets of limiting chains (19), two sets of fixing rings (20) and two sets of fixing rings (21), wherein two ends of the two sets of connecting chains (15) are respectively connected with the two sets of fixing rings (21) and the upper anchor ear (4), the two sets of fixing rings (20) are respectively installed on top of the two sets of fixing bolts (8), and the two sets of fixing rings (21) are respectively connected with the two sets of fixing rings (20).

6. A novel PP-H steel core flange according to claim 5, characterized in that, further comprises a plurality of sets of non-slip mats (22), the non-slip mats (22) are respectively installed on the inner walls of the plurality of sets of mounting holes (2).

7. A new PP-H steel core flange according to claim 6, characterized in that the flange body (1) is internally provided with a steel core.

8. A new PP-H steel core flange according to claim 7, wherein the flange body (1) is made of PP-H material.

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